Commit | Line | Data |
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1239a312 | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2014 David Goulet <dgoulet@efficios.com> |
1239a312 | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
1239a312 | 5 | * |
1239a312 DG |
6 | */ |
7 | ||
8 | #ifndef LTTNG_DOMAIN_H | |
9 | #define LTTNG_DOMAIN_H | |
10 | ||
11 | #ifdef __cplusplus | |
12 | extern "C" { | |
13 | #endif | |
14 | ||
15 | #include <lttng/constant.h> | |
16 | ||
17 | /* | |
18 | * Domain types: the different possible tracers. | |
19 | */ | |
20 | enum lttng_domain_type { | |
95681498 | 21 | LTTNG_DOMAIN_NONE = 0, /* No associated domain. */ |
1239a312 DG |
22 | LTTNG_DOMAIN_KERNEL = 1, /* Linux Kernel tracer. */ |
23 | LTTNG_DOMAIN_UST = 2, /* Global Userspace tracer. */ | |
24 | LTTNG_DOMAIN_JUL = 3, /* Java Util Logging. */ | |
5cdb6027 | 25 | LTTNG_DOMAIN_LOG4J = 4, /* Java Log4j Framework. */ |
0e115563 | 26 | LTTNG_DOMAIN_PYTHON = 5, /* Python logging Framework. */ |
1239a312 DG |
27 | }; |
28 | ||
29 | /* Buffer type for a specific domain. */ | |
30 | enum lttng_buffer_type { | |
31 | LTTNG_BUFFER_PER_PID, /* Only supported by UST being the default. */ | |
32 | LTTNG_BUFFER_PER_UID, /* Only supported by UST. */ | |
33 | LTTNG_BUFFER_GLOBAL, /* Only supported by the Kernel. */ | |
34 | }; | |
35 | ||
36 | /* | |
37 | * The structures should be initialized to zero before use. | |
38 | */ | |
39 | #define LTTNG_DOMAIN_PADDING1 12 | |
40 | #define LTTNG_DOMAIN_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32 | |
41 | struct lttng_domain { | |
42 | enum lttng_domain_type type; | |
43 | enum lttng_buffer_type buf_type; | |
44 | char padding[LTTNG_DOMAIN_PADDING1]; | |
45 | ||
46 | union { | |
47 | pid_t pid; | |
36d2e35d | 48 | char exec_name[LTTNG_NAME_MAX]; |
1239a312 DG |
49 | char padding[LTTNG_DOMAIN_PADDING2]; |
50 | } attr; | |
51 | }; | |
52 | ||
53 | /* | |
54 | * List the registered domain(s) of a session. | |
55 | * | |
56 | * Session name CAN NOT be NULL. | |
57 | * | |
58 | * Return the size (number of entries) of the "lttng_domain" array. Caller | |
59 | * must free domains. On error, a negative LTTng error code is returned. | |
60 | */ | |
61 | extern int lttng_list_domains(const char *session_name, | |
62 | struct lttng_domain **domains); | |
63 | ||
64 | #ifdef __cplusplus | |
65 | } | |
66 | #endif | |
67 | ||
68 | #endif /* LTTNG_DOMAIN_H */ |